Global Patent Index - EP 0109178 B2

EP 0109178 B2 2000-01-26 - Flexible tip cardiac pacing catheter

Title (en)

Flexible tip cardiac pacing catheter

Title (de)

Katheter für Herzschrittmacher mit biegsamer Spitze

Title (fr)

Cathéter d'entraîneur cardiaque avec pointe flexible

Publication

EP 0109178 B2 (EN)

Application

EP 83306120 A

Priority

US 43431882 A

Abstract (en)

[origin: EP0109178A2] The catheter is fitted with a flexible, resilient, distal end portion and a flexible electrode. The resulting degree of stiffness of the distal end is such that if it is pushed against the heart wall it has insufficient column strength to perforate it but will instead bend or deflect and guide itself along the wall surface. The catheter electrically coupled to a pulse generator comprises inner and outer conductors with an external sheath of polytetrafluorethylene. To achieve flexibility, the inner and outer conductors are formed from contiguous coils of round and flat wire respectively. At the distal end, the insulating sheath is removed and the outer conductor cut back so that the two exposed conductors act as the flexible electrodes.

[origin: EP0109178A2] A flexible tip catheter for electrically stimulating the heart comprising an elongated body having an elongated passage therein and an elongated conductor partially in the passage. The elongated conductor has a distal end portion outside of the passage which is flexible and resilient along its length. The distal end portion includes a flexible resilient electrode exposed at the outer periphery of the catheter so that current can be passed along the conductor to the electrode to electrically stimulate the heart. The flexibility of the distal end portion and of the electrode greatly reduces the risk of penetration of the heart wall.

IPC 1-7

A61N 1/05; A61M 25/01

IPC 8 full level

A61N 1/375 (2006.01); A61M 25/01 (2006.01); A61N 1/05 (2006.01); A61N 1/362 (2006.01)

CPC

A61M 25/0105 (2013.01); A61N 1/056 (2013.01); A61M 2025/0063 (2013.01); A61M 2025/0915 (2013.01)

Designated contracting state (EPC)

BE DE FR GB

DOCDB simple family

EP 0109178 A2 19840523; EP 0109178 A3 19841227; EP 0109178 B1 19920527; EP 0109178 B2 20000126; CA 1231392 A 19880112; DE 3382568 D1 19920702; DE 3382818 D1 19980129; DE 3382818 T2 19980716; EP 0467422 A2 19920122; EP 0467422 A3 19920429; EP 0467422 B1 19971217; JP H0415701 B2 19920318; JP S5990566 A 19840525